rdv: init vue component for calendar range editing + refactor vue calendar code

src/Bundle/ChillCalendarBundle/Resources/views/Calendar/listByUser.html.twig

@@ -7,3 +7,16 @@
 {% block content %}
     {% include 'ChillCalendarBundle:Calendar:list.html.twig' with {'context': 'user'} %}
 {% endblock %}
+ 
+{% block js %}
+    {{ parent() }}
+    <script type="text/javascript">
+        window.userId = {{ user.id }};
+    </script>
+    {{ encore_entry_script_tags('vue_mycalendarrange') }}
+{% endblock %}
+
+{% block css %}
+    {{ parent() }}
+    {{ encore_entry_link_tags('vue_calendar') }}
+{% endblock %}